<th width="140px">添加时间
    {if input('get.pub_sort') == null}
    <a href="javascript:;"  onclick="pub_sort(14)"><i class="fa fa-sort-amount-asc" aria-hidden="true"></i></a>
    {/if}

    {if input('get.pub_sort') == 15}
    <a href="javascript:;"  onclick="pub_sort(14)" ><i class="fa fa-sort-asc" aria-hidden="true"></i></a>
    {/if}

    {if input('get.pub_sort') == 14}
    <a href="javascript:;"  onclick="pub_sort(15)"><i class="fa fa-sort-desc" aria-hidden="true"></i></a>
    {/if}
</th>
